SPD Performance 170 Degree Thermostat (GEN 2) TS17035R
$55.00From the manufacturer of this thermostat: O-rings are no longer included with this product.
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From the manufacturer of this thermostat: O-rings are no longer included with this product.
Introducing “The RAT Stat” – proudly Made In USA – these thermostats will bring your average Ecoboost temperatures from 198°-215° down to the 180°-192° range*.  Cooler motors make more power!  Especially these turbocharged beasts! This is a simple, affordable, effective upgrade for all 3.5L Ecoboost owners that will give you added performance, including peace of…
This thermostat does NOT fit the 4.0L applications.